diff --git a/packages/language-core/src/generators/script.ts b/packages/language-core/src/generators/script.ts
index ac7e687117..b8b574d2e7 100644
--- a/packages/language-core/src/generators/script.ts
+++ b/packages/language-core/src/generators/script.ts
@@ -230,7 +230,7 @@ export function generate(
 			return;
 
 		if (!!scriptSetup && scriptRanges?.exportDefault) {
-			addVirtualCode('script', scriptRanges.exportDefault.end, script.content.length);
+			addVirtualCode('script', scriptRanges.exportDefault.expression.end, script.content.length);
 		}
 	}
 	function generateScriptSetupImports() {
diff --git a/test-workspace/tsc/vue3/#3756/main.vue b/test-workspace/tsc/vue3/#3756/main.vue
new file mode 100644
index 0000000000..f706ab5920
--- /dev/null
+++ b/test-workspace/tsc/vue3/#3756/main.vue
@@ -0,0 +1,7 @@
+<script setup lang="ts"></script>
+
+<script lang="ts">
+export default ({});
+
+console.log();
+</script>